Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows guest users without read permissions to access posts and files in channels via search API requests. Mattermost Advisory ID: MMSA-2025-00554
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
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History
Wed, 18 Mar 2026 14:00:00 +0000
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Mattermost mattermost Server
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| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
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Tue, 17 Mar 2026 10:00:00 +0000
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| First Time appeared |
Mattermost
Mattermost mattermost |
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| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 16 Mar 2026 19:15:00 +0000
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| Metrics |
ssvc
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Mon, 16 Mar 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows guest users without read permissions to access posts and files in channels via search API requests. Mattermost Advisory ID: MMSA-2025-00554 | |
| Title | Guest users can bypass read permissions via search API | |
| Weaknesses | CWE-863 | |
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2026-03-16T14:56:45.323Z
Updated: 2026-03-16T18:19:26.675Z
Reserved: 2026-02-13T10:01:31.964Z
Link: CVE-2026-24692
Updated: 2026-03-16T18:19:23.139Z
Status : Analyzed
Published: 2026-03-16T15:16:21.290
Modified: 2026-03-18T13:54:50.950
Link: CVE-2026-24692
No data.